title: Advantages and pitfalls in transperineal sonography for complicated perirectal sepsis.
authors.forename: A P
authors.initials: AP
authors.lastname: Zbar
authors.forename: D
authors.initials: D
authors.lastname: Yeh
mesh_terms: D019160:Endosonography / Q000379:methods*; D006801:Humans; D008279:Magnetic Resonance Imaging; D010502:Perineum / Q000000981:diagnostic imaging; D012003:Rectal Fistula / Q000000981:diagnostic imaging*